<template>
  <div style="border: 1px solid #ccc; margin-top: 10px">
    <Toolbar
      :editor="editorRef"
      :default-config="toolbarConfig"
      :mode="mode"
      style="border-bottom: 1px solid #ccc"
    />
    <Editor
      v-model="valueHtml"
      :default-config="editorConfig"
      :mode="mode"
      :style="styles"
      style="overflow-y: hidden"
      @onCreated="handleCreated"
      @onChange="handleChange"
      @onDestroyed="handleDestroyed"
      @onFocus="handleFocus"
      @onBlur="handleBlur"
      @customAlert="customAlert"
      @customPaste="customPaste"
    />
  </div>
</template>

<script setup lang="ts">
import '@wangeditor/editor/dist/css/style.css'
import { onBeforeUnmount, computed, ref, shallowRef, onMounted } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
import type { IEditorConfig, IToolbarConfig } from '@wangeditor/editor'
import { addUnit } from '@/utils/validate'
import type { CSSProperties } from 'vue'

const props = withDefaults(
  defineProps<{
    modelValue?: string
    mode?: 'default' | 'simple'
    height?: string | number
    width?: string | number
    toolbarConfig?: Partial<IToolbarConfig>
  }>(),
  {
    modelValue: '',
    mode: 'simple',
    height: '100%',
    width: 'auto',
    toolbarConfig: () => ({
      excludeKeys: ['fullScreen']
    })
  }
)

const emit = defineEmits<{
  (event: 'update:modelValue', value: string): void
}>()

// 编辑器实例，必须用 shallowRef，重要！
const editorRef = shallowRef()
const styles = computed<CSSProperties>(() => ({
  height: addUnit(props.height),
  width: addUnit(props.width)
}))
// 内容 HTML
const valueHtml = computed({
  get() {
    return props.modelValue
  },
  set(value: any) {
    emit('update:modelValue', value)
  }
})
const editorConfig = { placeholder: '请输入内容...' }

// 组件销毁时，也及时销毁编辑器，重要！
onBeforeUnmount(() => {
  const editor = editorRef.value
  if (editor == null) {
    return
  }

  editor.destroy()
})

// 编辑器回调函数
const handleCreated = (editor: any) => {
  console.log('created', editor)
  editorRef.value = editor // 记录 editor 实例，重要！
}
const handleChange = (editor: any) => {
  console.log('change:', editor.getHtml())
}
const handleDestroyed = (editor: any) => {
  console.log('destroyed', editor)
}
const handleFocus = (editor: any) => {
  console.log('focus', editor)
}
const handleBlur = (editor: any) => {
  console.log('blur', editor)
}
const customAlert = (info: any, type: any) => {
  alert(`【自定义提示】${type} - ${info}`)
}
const customPaste = (editor: any, event: any, callback: any) => {
  console.log('ClipboardEvent 粘贴事件对象', event)

  // 自定义插入内容
  editor.insertText('xxx')

  // 返回值（注意，vue 事件的返回值，不能用 return）
  callback(false) // 返回 false ，阻止默认粘贴行为
  // callback(true) // 返回 true ，继续默认的粘贴行为
}

const insertText = () => {
  const editor = editorRef.value
  if (editor == null) {
    return
  }

  editor.insertText('hello world')
}

const printHtml = () => {
  const editor = editorRef.value
  if (editor == null) {
    return
  }
  console.log(editor.getHtml())
}

const disable = () => {
  const editor = editorRef.value
  if (editor == null) {
    return
  }
  editor.disable()
}
</script>
